6404-06-04 O-Ring to Pipe, Female ORB x Male NPT Pipe Adapter

6404-06-04 O-Ring to Pipe, Female ORB × Male NPT Pipe Adapter

The 6404-06-04 O-Ring to Pipe (Female ORB × Male NPT Straight Adapter) is a hydraulic fitting designed to connect a 9/16-18 Female ORB (-06) port to a 1/4-18 Male NPT (-04) pipe thread. Manufactured from high-strength steel, this straight adapter ensures a secure, leak-resistant transition between ORB hydraulic systems and NPT pipe-threaded components.

Specifications

• Part Number: 6404-06-04
• Material: Steel
• Shape: Straight
• Thread 1 Type: Female O-Ring Boss (ORB)
• Thread 1 Size: 9/16-18 (-06)
• Thread 2 Type: Male National Pipe Thread (NPT)
• Thread 2 Size: 1/4-18 (-04)
• Sealing Type: O-ring (ORB side) + Thread sealant (NPT side)